package com.itheima.service.impl;
import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.constant.MessageConstant;
import com.itheima.dao.MemberDao;
import com.itheima.dao.OrderDao;
import com.itheima.dao.OrderSettingDao;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.pojo.Order;
import com.itheima.pojo.OrderSetting;
import com.itheima.service.OrderService;
import com.itheima.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
import java.util.Date;
import java.util.List;
import java.util.Map;

/**
 * @author : [chenxys]
 * @version : [v1.0]
 * @Description : 体检预约服务实现
 * @createTime : [2022/5/30 09:20]
 */
@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService{
    @Autowired
    private OrderSettingDao orderSettingDao;
    @Autowired
    private MemberDao memberDao;
    @Autowired
    private OrderDao orderDao;

    /**
     * 体检预约
     * @author chenxys
     * @param map 体检人信息
     * @return com.itheima.entity.Result
     */
    @Override
    public Result order(Map map) throws Exception {
        //1、检查用户所选择的预约日期是否已经提前进行了预约设置，如果没有设置则无法进行预约。
        //获取预约日期
        String orderDate = (String) map.get("orderDate");
        Date date = DateUtils.parseString2Date(orderDate);
        OrderSetting orderSetting = orderSettingDao.findByOrderDate(date);
        if (orderSetting == null){
            //未进行预约设置
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }
        //2、检查用户所选择的预约日期是否已经约满，如果已经约满则无法预约
        //获取预约设置中的已预约人数
        int reservations = orderSetting.getReservations();
        //获取设置预约总数
        int number = orderSetting.getNumber();
        if (reservations >= number){
            //预约已满，不能再预约
            return new Result(false,MessageConstant.ORDER_FULL);
        }
        //3、检查用户是否重复预约（同一个用户在同一天预约了同一个套餐），如果是重复预约则无法完成再次预约
        //获取电话号码
        String telephone = (String) map.get("telephone");
        //套餐ID
        String setmealId = (String)map.get("setmealId");
        //预约类型
        String orderType = (String) map.get("orderType");
        //查询是否为会员
        Member member = memberDao.findByTelephone(telephone);
        if (member != null){
            //是会员
            //获取会员ID
            Integer memberId = member.getId();
            //预约日期 date
            //组成预约信息
            Order order = new Order(memberId,date,orderType,null,Integer.parseInt(setmealId));
            //查看是否有预约
            List<Order> list = orderDao.findByCondition(order);
            if (list != null && list.size() > 0){
                //存在相同预约
                return new Result(false,MessageConstant.HAS_ORDERED);
            }
        }else {
            //4、如果不是会员则自动完成注册
            member = new Member();
            member.setName((String) map.get("name"));
            member.setPhoneNumber(telephone);
            member.setIdCard((String) map.get("idCard"));
            member.setSex((String) map.get("sex"));
            member.setRegTime(new Date());
            //注册会员
            memberDao.add(member);
        }
        //5、预约成功，更新当日的已预约人数
        Order order = new Order();
        //设置会员ID
        order.setMemberId(member.getId());
        //设置预约日期
        order.setOrderDate(date);
        //设置预约类型
        order.setOrderType(orderType);
        //设置到诊状态
        order.setOrderStatus(Order.ORDERSTATUS_NO);
        //设置套餐ID
        order.setSetmealId(Integer.parseInt(setmealId));
        //进行预约
        orderDao.add(order);
        //设置已预约人数+1
        orderSetting.setReservations(orderSetting.getReservations() + 1);
        orderSettingDao.editReservationsByOrderDate(orderSetting);
        //预约成功
        return new Result(true,MessageConstant.ORDER_SUCCESS,order.getId());
    }

    /**
     * 根据ID查询预约信息
     * @author chenxys
     * @param id
     * @return java.util.Map
     */
    @Override
    public Map findById(Integer id) throws Exception {
        Map map = orderDao.findById4Detail(id);
        if (map != null){
            //格式化日期
            Date orderDate = (Date) map.get("orderDate");
            map.put("orderDate",DateUtils.parseDate2String(orderDate));
        }
        return map;
    }
}
